... (finish)Back Coatin5-7 micron PESteel GradeSGCC, SGCD, DX51D +Z DX52D+Z; S220GD, S280GD, S350GDProduction StandardASTM A755M, EN10169, JISG3322ColorAccording to RAL ... , please feel free to contact us. SGCC, SGCD, DX51D +Z DX52D+Z; S220GD, S280GD, S350GD Prepainted Galvanize Coils